#ifndef _COMMON_H_

#define _COMMON_H_

#define TOKENS_END_LINE " \t\n\r"
#define TOKEN_SPACE " "
#define STR_END		'\0'
#define CHAR_TAB	'\t'
#define CHAR_LF		'\n'
#define CHAR_CR		'\r'
#define CHAR_SPACE	' '
#define MAX_STRING	256
#define PI	3.1415926535897932

typedef enum {OK, ERROR_NULL_POINTER, ERROR_MEMORY, ERROR_INVALID_DATA, ARG_ERROR} status_t;
typedef char string_t[MAX_STRING];
typedef enum {A=0, As=1, B=2, C=3, Cs=4, D=5, Ds=6, E=7, F=8, Fs=9, G=10, Gs=11} notes_t;


#endif
